It can be challenging to put yourself in someone else’s shoes, to imagine what their life might be like on a daily basis. Writers do it all the time. It’s one of the perks of the job. Imagining yourself into the life of a coolhunter or one of the first kids in space or a head louse can be fun. But some stories require that we imagine a life that isn’t always fun. When I started writing my latest novel for kids and teens, Detention, I had little more than a kernel of an idea in mind. What would happen…